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Author Question: How fast should a moving clock travel if it is to be observed by a stationary observer as running at ... (Read 72 times)

jazziefee

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on: Jul 29, 2018
How fast should a moving clock travel if it is to be observed by a stationary observer as running at one-half its normal rate?
 
  A)
 
  0.25c
  B)
 
  0.50c
  C)
 
  0.65c
  D)
 
  0.78c
  E)
 
  0.87c

Question 2

A series circuit consists of a 50-Hz ac source, a 40- resistor, a 0.30-H inductor, and a 60-F capacitor. The rms current in the circuit is measured to be 1.6 A. What is the power factor of the circuit?
 
  A) 0.70 B) 0.56 C) 0.63 D) 0.59 E) 0.66


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T4T

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Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

A


jazziefee

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Reply #2 on: Jul 29, 2018
Thank you!


T4T

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Reply #3 on: Jul 29, 2018
Always glad to help...


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